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Review
. 2012 May-Jun;9(3):119-33.

Fully human targeted cytotoxic fusion proteins: new anticancer agents on the horizon

Ulrich H Weidle  1 , Guy Georges, Ulrich Brinkmann
Affiliations
  • PMID: 22593247
Review

Fully human targeted cytotoxic fusion proteins: new anticancer agents on the horizon

Ulrich H Weidle et al. Cancer Genomics Proteomics. 2012 May-Jun.

Abstract

Cytotoxic fusion proteins for tumor therapy are composed of an antibody-based targeting moiety and an effector molecule. Effectors may possess enzymatic activity confering cytoxicity after internalization or be an antibody-targeted death-receptor ligand that induces apoptosis after interaction with a death receptor. In this review, we focus on cytotoxic fusion proteins which, in most cases, are composed of fully human targeting and effector moieties. Regarding the first category, as outlined above, we focus on fusion proteins based on ribonucleases, granzyme B, apoptosis-inducing factor and death-associated protein kinases. The second category of fusion proteins makes use of cell-death inducing ligands such as tumor-necrosis factor, tumor necrosis factor α-related, apoptosis-inducing ligand fas ligand and a tumor-targeting antibody moiety. For the latter category, prodrug-related concepts are also covered. The critical issues to be resolved for improved efficacy and safety are discussed.

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